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Finding the Fourth Proportional to 329,734.80, 494,683.20 and 93,074.40

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Solution

The fourth proportional to 329,734.80, 494,683.20 and 93,074.40 is: 139,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,734.80 : 494,683.20 = 93,074.40 : x
  2. Step 2: Convert to fraction form
    329,734.80/494,683.20 = 93,074.40/x
  3. Step 3: Cross multiply
    329,734.80x = 494,683.20 × 93,074.40
  4. Step 4: Simplify right side
    329,734.80x = 46,042,342,030.08
  5. Step 5: Solve for x
    x = 46,042,342,030.08/329,734.80
  6. Step 6: Final answer
    x = 139,634.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.